Juniper QFX5100 Hardware Manual
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Brand: Juniper
Category: Network Router , Switch
Type: Hardware manual for Juniper QFX5100
Pages: 300
• Removing a Transceiver from a QFX Series Device on page 213
Interface Specifications for QSFP+ DAC Cables for the QFX Series
Use quad small-form factor pluggable plus (QSFP+) direct-attach copper (DAC) cables
to connect:
•
A standalone device to other standalone device (QFX3500, QFX3600, QFX5100, or
QFX10002 fixed-chassis)
•
A QFabric Node device (QFX3500, QFX3600, QFX5100) to a QFabric QFX3000-M
Interconnect device (QFX3600-I or QFX5100-24Q).
•
A leaf device to a spine device in a Virtual Chassis Fabric (VCF).
•
A master, backup, or line card in a QFX Virtual Chassis.
NOTE: The QSFP+ DAC cables consist of a cable assembly terminated with
QSFP+ transceivers on either end. If you use the QSFP+ DAC cable as the
data plane connection between a QFX5100 or a QFX3600-I Interconnect
device and a QFabric Node device, the interface is automatically configured
to operate at 40 Gbps. If you use the QSFP+ DAC cable to interconnect a
QFX3600 Node device with another device, the interface is automatically
configured to operate as four 10-Gigabit Ethernet interfaces over one cable.
Table 49 on page 140 describes the Junos OS software releases that supports third-party
DAC breakout cables. Earlier releases do not support third-party breakout cables.
While we highly recommend using Juniper Network DAC cables, you may use cables from
a third-party vendor. If you choose to use a third-party cable, it should meet the
specifications described in Table 50 on page 142.
CAUTION: If you face a problem running a Juniper Networks device that uses
a third-party opticor cable, the Juniper NetworksTechnical Assistance Center
(JTAC) can help you diagnose the source of the problem. Your JTAC engineer
might recommendthat you check thethird-partyoptic orcable andpotentially
replace it with an equivalent Juniper Networks optic or cable that is qualified
for the device.
Table 49: Third-Party QSFP+ DAC Cable Support
Third-Party DAC Cable Support AddedPlatform
Junos OS Release 12.2X50-D10QFX3600 Node device in a QFX3000-M QFabric system
Junos OS Release 12.2X50-D20QFX3600 device as a standalone switch
Junos OS Release 12.2X50-D10QFX3500 Node device in a QFX3000-M QFabric system
Copyright © 2016, Juniper Networks, Inc.140
QFX5100 Switch Hardware Guide